Astronomy Unit 1: The birth of astronomy 1/2
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Last updated 4:14 PM on 12/15/22
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11 Terms
1
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Universe size
156 lightyears big and growing
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Universe is filled with
empty space
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What must be appreciated in order to take in the scope and size of the universe?
Size of objects and distance
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Total amount of stars that can be seen at once on the planet
6,000 (six-thousand)
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How many stars can be seen at one time?
3,000 (three-thousand)
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How did constellations come about?
Humans find patterns they can relate to and what's important/relevant
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How many constellations are there?
88 constellations
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Why are some constellations only seen in one hemisphere?
Earth curves and we cannot see past solid
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What are we seeing when we look at a constellation?
Star patterns
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Is a constellation made up of stars in close proximity to each other?
No, they're line up and occupy the same image
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What is the celestial sphere?
Spherical backgrounds that we used to track and observe movement of those objects